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2n Helios Uni Installation Manual
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2N® Helios Uni Door Access Intercom
Brief Installation Manual Version: 1.0.0 www.2n.cz
Before You Start 1.1
1.1 Before You Start
Product Completeness Check
Please check the contents of your 2N® Helios Uni delivery:
1 2N® Helios Uni (selected model)
1 Torx 10 / Torx 20 double-ended wrench
1 2N® Helios Uni Installation Manual
1 mounting template
1 CD
1 A5 transparent name plate foil
1 spare name plate
1 brick flush mounting box
4 4x12 stainless steel screws for plastics
2 cable ties
Mechanical Installation 1.2
1.2 Mechanical Installation
Mounting Type Overview
Refer to the table below for a list of mounting types and necessary components.
Flush mounting – classic bricks
(including hollow bricks, thermally insulated
walls, etc.)
What you need:
A properly cut hole
Plaster, mounting glue, mounting foam or
mortar as necessary
Flush mounting – plasterboard
What you need:
Just a properly cut hole
Wall mounting (concrete and steel
structures, entry barrier columns, etc.)
What you need:
Wall mounting box
Part No. 9153003
Mechanical Installation 1.2
Caution
The warranty does not apply to the product defects and failures arisen as
a result of improper mounting (in contradiction herewith). The
manufacturer is neither liable for damage caused by theft within an area
that is accessible after the attached electric lock is switched. The product
is not designed as a burglar protection device except when used in
combination with a standard lock, which has the security function.
When the proper mounting instructions are not met, water might get in
and destroy the electronics. It is because the intercom circuits are under
continuous voltage and water infiltration causes an electro-chemical
reaction. The manufacturer’s warranty shall be void for products damaged
in this way!
Common Mounting Principles
Tip
Select flush mounting where possible to make your product elegant
looking, more vandal resistant and more secure.
Caution
Stainless steel screws are used for the 2N® Helios Uni assembly. Other
screws than stainless steel ones corrode soon and may aesthetically
deteriorate the surrounding environment!
Having removed the front panel, make sure that no dirt gets inside the
product (especially onto the sealing surface).
Mechanical Installation 1.2
Flush Mounting – Classic Bricks
1. Cut a wall hole using the template enclosed. Make sure
that all the required cables are available in the hole.
2. Unpack the plastic mounting box. Break out the cable
holes as necessary and make sure that the wall hole is
big enough for the box.
3. Wall up the mounting box making sure that the box is
aligned with the wall surface. Wait until the plaster
(mortar, mounting foam, etc.) sets.
4. Unscrew the front panel from the door intercom.
5. Connect the cables to the terminals or RJ connector as
described in the Electric Connection subsection.
6. You can use the cable tie for connection as shown:
Suggested cable fixation
Mounting completion – after electric installation!
7. Insert the intercom in the mounting box in the wall.
8. Tighten the intercom with the stainless steel screws included in the delivery. As the
screw holes are oval, you can perfect the vertical position before tightening.
9. We do not recommend you to insert the button tags now.
10. Replace the stainless steel front panel fixing it with the stainless steel screws you
unscrewed in step 4 above.
Mechanical Installation 1.2
Flush Mounting – Plasterboard
Tip
If this is your first plasterboard installation, check the
function of the intercom side clamps. Loosen and then
re-tighten the clamp screw to see how it turns
automatically and starts moving forwards in its slot.
Remember to return the clamp into the original position
after the check!
Caution
Check the plasterboard wall and room interior pressure
values (caused, e.g., by overpressure ventilation). If the
difference between the values is too great, separate the
intercom using, for example, the mounting box enclosed
and seal the cable passage to avoid loudspeaker
damage.
1. Cut a hole using the template enclosed (165 x 95 mm).
2. Unscrew the front panel from the door intercom.
3. Connect the cables in the hole to the terminals or RJ
connector as described in the Electric Connection
subsection.
4. You can use the cable tie for connection as shown on
previous page.
Mounting completion – after electric installation!
5. Insert the intercom in the hole keeping it in the vertical
position.
6. Loosen the four clamp screws one after another and then
retighten them slowly. They will turn aside automatically and
start moving forwards in their slots. You need about 10
turns to tighten the clamps completely. You can perfect the
vertical position before final tightening of the screws.
7. We do not recommend you to insert the button tags now.
8. Replace the stainless steel front panel fixing it with the
stainless steel screws you unscrewed in step 2.
Wall Mounting
Use the wall (surface) mounting box, part No. 9153003, and follow the instructions
enclosed.
Electric Installation 1.3
1.3 Electric Installation
This subsection describes how to connect 2N® Helios Uni into your Local Area Network
(LAN) and how to connect supply voltage and the electric lock.
PCB Connectors
Description of Connectors
LINE
An analogue
telephone line with
any polarity, or an
RJ connector or
terminals
12V
AC, DC
AC/DC backlight or
additional amplifier
supply (DC must be
used for the
amplifier)
tamper
N.C.
Open cover
signalling contact
(N/C)
GND ground (mandatory)
door
N.O.
Electric lock switch
(N/O)
Microphone level low switch
Electric Installation 1.3
Compatibility
2N® Helios Uni is designed for conventional, analogue telephone lines and works
regardless of polarity and line parameters.(Refer to the Technical Parameters) and
uses tone (DTMF) or pulse dialling to be programmed. Normally, it is connected to a
PBX line however It can also be connected to an analogue line or the GSM interface
providing a wireless installation.
Connection to Telephone Line
Connect 2N® Helios Uni simply using LINE terminals. The advantage is that 2N®
Helios Uni requires no power supply because all power is fed from the telephone line
– except for the button backlight and electric lock, if connected. Nevertheless, 2N®
Helios Uni can work without these circuits too and sends an acoustic signal on having
been connected to a line (or after having been disconnected from the line for a defined
period of time).
External power Supply and Electric Lock Connection
2N® Helios Uni requires 12V supply for:
1. Name tag backlight – current draw of up to 5 mA, AC or DC
2. Electric lock – current draw according to the lock type*)
3. Additional amplifier if available – current draw of up to 100 mA, DC only!
*) The electric lock can be fed from the same source as the intercom or another
supply.
2N® Helios Uni contains a solid-state switch equipped with V-MOS transistors, which
is able to switch both AC and DC regardless of polarity. Make sure that the current and
voltage values do not exceed limits (refer to the Technical Data) and that the technical
parameters of the lock and power supply are compatible.
Danger!
Never switch 230 or 120 V mains voltage directly!!!
Caution
If the lock power supply fails and the telephone system carries on
working, the intercom is unaware of the failure the switch will be
password-activated and the activation is acoustically signalled, but the
electric lock will not work because of the lack of power.
Ground connection is mandatory. If used power supply output is
grounded, you can connect GND terminal to it.
Electric Installation 1.3
Make sure that the power supply is able to supply the required current. Connect the
supply and lock as shown in the figure below:
Separate Backlight and Electric Lock Supply
Separate power supplies are necessary e.g. where the lock requires voltage higher
than 12 V. In this case, an additional power supply (12V) must be used to illuminate
the button backlight - see the figure below:
Button Tags – Insertion, Replacement 1.4
1.4 Button Tags – Insertion, Replacement
Tag Printing
1. Every name plate includes a piece of foil, which can be written over manually,
using a waterproof permanent marker.
Note
Always use waterproof foil (enclosed or other) for the tags. Never use
paper or ink jet printing to avoid damage due to water leakage!
Tag Inserting / Replacing
2N® Helios Uni provides an intuitive, easy
access to the name plates. The tags are easy
to insert and replace even without a manual.
You need not remove the front panel and
thus are not exposed to the risk of loss of
components while replacing the tags.
1. Loosen the name plate screw using
the wrench enclosed, for example.
You can open the name plate window
like a door without losing the
tightened screw.
2. Remove the used or blank name tag
and insert a new tag.
3. Close the name plate window and
tighten the screw appropriately.
4. Check the click effect of the buttons:
if the button fails to click properly
when pressed (when moved by
approx. 0.5 mm), the tag is too thick
or thin. Make sure that the button
clicks when you press it on either
end.
Programming 1.5
1.5 Programming
All the intercom parameters, including the keypad ones, are set remotely using any
tone-dialling telephone set (or a mobile phone). First call the intercom and enter the
programming mode. The access to this mode is service password protected.
A voice menu is available in the programming mode and so you need not use this
manual to program standard parameters. The menu is stored in the intercom memory
in the default language. Having entered the full parameter or memory number, you
can hear how the parameter has been programmed, thus checking the programmed
numbers for correctness.
All parameters are stored safely in the non-volatile EEPROM memory.
Tip – Before You Start Programming
Write or print the values to be programmed to minimise the risk of error.
Moreover, this gives you an idea of what you have programmed. Make
sure that programming is not barred (JP1 jumper) – refer to the PCB
Description subsection.
Entering Programming Mode
You can enter the programming mode only during an incoming call (telephone –
intercom call). The programming barring jumper must not be mounted. To get into the
programming mode, enter the service password in the format password (do
not forget to enter the asterisks before and behind the password!). The service
password is 12345 by default and can be changed. If you enter the password
correctly, the voice menu is launched. Now you can start programming.
Programming Procedure
You can set parameters in any order and as many times as you wish. To change a
parameter use the following command:
Parameter number parameter value
A three-digit parameter number is assigned to every parameter to be programmed
and to every memory (refer to the Programming Chart). This number indicates to the
intercom which parameter to change, and is used as "Enter". When it is entered,
the intercom repeats the parameter (or memory) number and reads the current
contents (excluding passwords). Now you can enter new data – of variable meaning
and length depending on the parameter selected (refer to the Full Parameter Chart).
Finally, press again for confirmation. The intercom confirms the data saving. Repeat
this procedure for each parameter.
Switch Password Programming
Each switch can be controlled with up to 10 different passwords that are listed in the
intercom memory. Passwords can be added to the list using function 811 and deleted
with function 812 individually. The default status is a single password in the list,
Programming 1.5
namely 00 for switch 1. This special password cannot be entered from the intercom
keypad. To cancel them, you have to remove them from the list:
Function 997 deletes the entire password list including the password 00. Function 999
deletes the entire password list too but recovers the password 00 and the service
password 12345.
Password Selection Restrictions
Controlling the switch by phone, you can enter the password without any starting and
terminating characters and the password length is not limited. The intercom has to
verify after every character received whether the password is complete or not.
Therefore: make sure that no password is identical with the beginning of another
password.
Should you use such confusing passwords for switch control, you have to
enter the longer password (by phone) with asterisks at the beginning and
end.
If the intercom refuses to store a password, it means that the switch
password list is full, or the password has already been entered.
The switch password may not be identical with any Arrival/Departure,
Day/Night, or service password.
For password selection tips see the Instructions for Keypad Use.
Programming Error
Any wrong value can be re-programmed by another command
(immediately or any time later).
If you make a typing error, cancel the entered value with . Then you can
re-enter the whole number.
If you enter an incorrect parameter number or parameter value, the
intercom sends a refusal signal and you have to start with the parameter
number again.
If you do not press any button within a predefined timeout, the intercom
sends a hang-up signal and hangs up. The timeout is 5 seconds; every
character is followed by 30 seconds for you to think over your setting. The
5-second limit starts when the intercom has read all that relates to the
current user position in the programming menu. The timeout can be
prolonged – see the chart.
Tip
To check programmed values: enter parameter number and , listen
the parameter value and press for return to the main menu.
Programming 1.5
Deleting All Passwords, All Memories, Complete Initialisation
The following three functions facilitate your programming by clearing all previous
settings:
997
deletes the entire password list for switch including password 00.
998
deletes memories of all buttons (01 - 02) plus Arrival/Departure and
Day/Night passwords.
999
clears the whole memory and resets the default values (see the chart).
Protection against Unintentional Deletion
The above functions need no special "value" but must be protected against
unintentional initiation. Therefore, enter the service password as the value. Warning:
Full initialisation takes a few seconds, the intercom sends a continuous tone while
memory clearing. Functions 997 and 998 take a little less time and are signalled by a
continuous tone too.
The button memories can be deleted individually too – just enter a “blank” while
programming. For example: clears memory 1 of button 01.
If You Forget the Service Password
If you forget the service password, contact the manufacturer. The manufacturer can
change your service password to 12345 remotely without altering any other
parameter.
Password Selection Tip
Keyboard letters facilitate password remembering. For example, it is
easier to remember a 9-letter word (e.g. crocodile) than a 9-digit number
(276263453).
Full Parameter Chart 1.6
1.6 Full Parameter Chart
Parameter
(function) Parameter Name Range Default Note
011
to
016
Button 01
memories
Up to
16
digits
blank
011
to
026
Button 02
memories
Up to
16
digits
blank
Digits 0-9 can only be entered directly into the memories. Special characters are entered additionally using function XX7:
017
or
027
Enter special chars
, and pause
018
or
028
Button 01 or 02
count of automatic
dialling cycles
0-9 0 = off
019
or
029
Button 01 or 02
Arrival/Departure
password
up to
16
digits
blank
559 Day/Night
password
up to
16
digits
blank The same as for Arrival/ Departure, identical for all buttons
811 Enter up to 10
switch passwords
up to
16
digits
00
Password 00 cannot be entered from
the keypad!
Up to 10 switch passwords
Delete passwords using function 812
812 Delete valid switch
passwords
Valid
pass-
word
Deletes individual valid switch
passwords.
813 Switch closing time 0-9 s 5s 0 = switch disabled
901 Dialling type 0-1 0 =
tone 1=pulse 40/60
902 Dialling timeout
after pick-up 5-99
8 =
0.8s Range of 0.5 - 9.9s
903 DTMF transmitting
level 0-12 6 1 step = 1 dB
Full Parameter Chart 1.6
Parameter
(function) Parameter Name Range Default Note
904
Automatic Multiple
Number Dialling
type
0-3
0 =
disabled
for all buttons
1 = loud with confirmation
2 = silent with confirmation
3 = SP without confirmation 1)
4 = SP without confirmation 1)
906 Ticking into call 0-12 0 = off
The called party recognises better
that the incoming call is from the
intercom.
911
Count of rings
before incoming
call answering
1-99
2 Warning!!! No connection is
established if a higher value is
entered than as allowed in the PBX
ringing timeout!!!
912 Max. call duration 1-99 12 =
120s Range of 10s-990s
913 Log-in timeout 1-99 3 3 = 30 seconds
915 Hang-up time
between calls 5-99
15 =
1.5 s
931 Microphone power-
up level 0-3 2 0 = Maximum microphone sensitivity
932 Automatic
response speed 0-3 2 3 = Maximum response speed
933 Reception volume 0-15 7 15 = Maximum reception volume
934 Transmission volume 0-15 7 15 = Maximum transmission volume
935 Message volume 0-15 7 15 = Maximum message volume
936 Beeping volume 0-12 12 12 = Maximum tone volume
937 DTMF hearing (side
tone) volume 0-3 3 3 = Maximum DTMF volume
938 Loudspeaker
volume 0-15 7 15 = Maximum loudspeaker volume
941
Minimum
continuous tone
time
10 -
99
20 =
2s
If the tone is longer, the intercom
hangs up.
942
Minimum busy
tone or pause
duration
0-255 8 =
0.08s
These parameters control the busy
tone detection. They are used for call
termination and automatic dialling.
943
Maximum busy
tone or pause
duration
0-255 70 =
0.7s
944 Maximum tone-
pause difference 0-255
10 =
0.1s
945 Minimum count of
busy tone periods 2-9 4
Full Parameter Chart 1.6
Parameter
(function) Parameter Name Range Default Note
946 Dual tone
detection setting 0 – 10
4 =
440 Hz
All continuous, busy and ringing tones
are detected. Dual tones are detected
if one of their components is between
400 and 500 Hz. If both components
are in this range, set a lower
detection value. Set 0 for 400 Hz and
10 for 500 Hz.
This setting does not affect the single
tone detection, which always works
between 300 and 550 Hz.
951 Minimum ringing
tone time
1 -
200
50 =
0,5 s 2)
The longest ringing period pause
must be in the interval between
parameters 952 and 953.
Warning! As these parameters
also detect incoming calls, an
incorrect setting may result in
the intercom not answering the call!
952 Minimum long
pause time
5 -
100
10 = 1
s
953 Maximum long
pause time
10 -
100
60 = 6
s
954
Count of ringing
periods 1 - 99 10
If the preset count of periods is
exceeded, the call is terminated.
If the preset count of periods is exceeded and automatic dialling is enabled,
another attempt follows. In the event of Automatic Dialling without
Confirmation, the ringing tone is recognised and ends before the preset count
of periods is exhausted; the call is regarded as successful.
961
Maximum timeout
for pressing the
next digit
1-9 5 s During password entering, etc.
963
Possibility to hang
up by pressing the
same button
0 = no
1 = yes 1
964
Possibility to dial
the next number
by pressing 2nd
button
0 = no
1 = yes 1
971 Count of message
repetitions 0 - 9 3
There is a 3-second pause between
every two messages.
974
Intercom
identification
number
16
digits - The number enables intercom
identification.
975 Message options for automatic multiple number dialling
2 digits 55
1st digit = type of message repeated
after dialling. 2nd digit = type of
message after confirmation.
The following digits are used:
2 = identification (974) - loud
speaking
4 = identification (974) - DTMF
5 = message as defined in par. 977
(after confirmation by par. 976)
7 = confirming tone (after
Full Parameter Chart 1.6
Parameter
(function) Parameter Name Range Default Note
confirmation only)
976 language selection
for a message 0 - 8 1
0 = 1 = English
2 - 3 = 4 = German
5 - 7 = 8 = Portuguese
9 = Dutch 10 ... 99 = silence
Note: See Survey of messages in Subs. 4.2
Caution! Czech version has language order: 1 = Czech, 2 = English
977
language selection
for "wait, please"
message
0 - 8 1
991 Service password 12345 12345 by default
995 Software version
identification
- This function reads out the current
software version. Format: year-
month-day. Writing disable.
997 Deletion of all
switch passwords
Service
passwor
d
12345 Deletes password 00 too.
998 Clearing of all
memories 12345 Clears memories 01 to 55.
999 Full initialisation 12345 Warning! Changes the service password
too (setting the default value of 12345).
Notes
Terminology: For the purpose hereof, parameter means a value that is
stored in the intercom memory and can be re-programmed. Function is a
means of execution of another service such as initialisation, software
version identification and so on.
1) Types 3 and 4 of Automatic Dialling without Confirmation differ from
each other in how they process very short calls (a few seconds). Dialling
type 4 regards a call as successful in all cases, type 3 only if the door was
opened.
Maintenance 1.7
1.7 Maintenance
Cleaning
If used frequently, the intercom gets dirty. To clean it, use a piece of soft cloth
moistened with clean water. We recommend you to obey the following principles while
cleaning:
Never use aggressive detergents (such as abrasives or strong disinfectants).
Alcohol-based cleaners may be applied.
Clean the device in dry weather in order to make waste water evaporate
quickly.
Future Tag Replacement, Programming Changes
For necessary steps refer to the preceding subsections. Keep the following for future
changes:
This manual
Unused transparent foil strips for button tags
Always use the product for the purpose it was designed and manufactured for, in
compliance herewith.
The manufacturer reserves the right to modify the product in order to improve its
qualities.
2N® Helios Uni contains no environmentally harmful components. When the product‘s
service life is exhausted and you would like to dispose of it please do so in accordance with applicable legal regulations.
1.8 Technical Parameters
Telephone Parameters Value Conditions
Minimum required off-hook line current 15 mA Off-hook
Minimum required on-hook line voltage 20 V Hang-up
DC voltage drop (off-hook) < 8 V
< 16 V
I = 25 mA
I = 50 mA
Lead current while hang-up < 25 μA U = 60 V
Off-hook AC impedance 220 Ω + 820 Ω
115 nF parallel
20 to 60 mA
Return loss > 10 dB 20 to 60 mA
Bandwidth 300 to 3500 Hz 20 to 60 mA
Ringing impedance > 2 kΩ
C = 1 μF
25 to 50 Hz
Ringing detector sensitivity 10 to 20 V 25 to 50 Hz
Time of response to ringing Variable
Pulse dialling 40 / 60 ms 20 to 60 mA
DTMF level -6 and -8 dB
± 2 dB
20 to 60 mA
DTMF detector sensitivity Min. -40 dB 20 to 60 mA
Dial tone detector sensitivity Min. -40 dB 350 - 500 Hz
Busy tone detection speed Variable 350 - 500 Hz
Continuous tone detection speed Variable 350 - 500 Hz
Ringing tone detection speed Variable 350 - 500 Hz
Overvoltage protection – common mode 1000 V 8 / 20 μs
Overvoltage protection – between A, B conductors 1000 V 8 / 20 μs
Other Electric Parameters
Switch – max. voltage 48 V AC, DC
Switch – min. voltage 9 V AC, DC
Switch – max. current 2 A AC, DC
Backlight – rated voltage 12 V
Backlight – max. voltage 14 V
Backlight – current consumption Up to 5 mA
Buttons
Button design
Transparent, white backlit buttons with easily
replaceable name tags
Button count 1 or 2
Audio
Microphone 1 integrated microphone
Amplifier Optional – additional 0.5 W amplifier
Physical Properties
Cover ABS plastic, high-quality stainless steel
Working temperature -25°C to +55°C
Working relative
humidity 10% - 95% (non-condensing)
Storing temperature -40°C - 70°C
Dimensions 193 x 115 x 39 mm
197 x 119 x 47 mm flush box
193 x 115 x 57 mm for wall mounting
Weight Net product weight ........ ....500 g
Flush box .............. ...........135 g
Total weight incl. package ... 800 g
Protection level IP54
2N TELEKOMUNIKACE a.s.
Modřanská 621, 143 01 Prague 4, Czech Republic
Tel.: +420 261 301 500, Fax: +420 261 301 599
E-mail: [email protected] Web: www.2n.cz
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